appropriate. ex: pulse-On, on-time=100, off-time=300, count=5 would give 5 positive
100 ms pulses, 300 ms apart.
There is a BLOCK input signal, which will disable the operation of the function, in the
same way the setting Operation: On/Off does. That means that, upon activation of the
BLOCK input, all 32 CMDBITxx outputs will be set to 0. The BLOCK acts like an
overriding, the function still receives data from the DNP3 master. Upon deactivation
of BLOCK, all the 32 CMDBITxx outputs will be set by the DNP3 master again,
momentarily. For AUTOBITS , the PSTO input determines the operator place. The
command can be written to the block while in “Remote”. If PSTO is in “Local” then
no change is applied to the outputs.
For description of the DNP3 protocol implementation, refer to DNP3 communication
protocol manual.
10.10 Function commands for IEC 60870-5-103 I103CMD
10.10.1 Functionality
I103CMD is a command function block in control direction with pre-defined output
signals. The signals are in steady state, not pulsed, and stored in the IED in case of
restart.
10.10.2 Function block
IEC10000282-1-en.vsd
I103CMD
BLOCK 16-AR
17-DIFF
18-PROT
IEC10000282 V1 EN
Figure 158: I103CMD function block
10.10.3 Signals
Table 242: I103CMD Input signals
Name
Type Default Description
BLOCK BOOLEAN 0 Block of commands
Table 243: I103CMD Output signals
Name
Type Description
16-AR BOOLEAN Information number 16, off/on of autorecloser
17-DIFF BOOLEAN Information number 17, block of differential
protection
18-PROT BOOLEAN Information number 18, block of protection
Section 10 1MRK 511 287-UEN A
Control
334
Technical manual
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